# Setup Sass
Sass is an extension of CSS, adding nested rules, variables, mixins, selector inheritance, and more. In Gatsby, Sass code can be translated to well-formatted, standard CSS using the `gatsby-plugin-sass` plugin.
This recipe:
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Installs necessary NPM packages.
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Installs the Emotion plugin in `gatsby-config.js`.
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Writes out an example stylesheet and page you can use to play
with Sass.
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Read more about Sass on the official Sass docs site:
https://sass-lang.com/documentationb